2345123513 has 8 divisors (see below), whose sum is σ = 2352704640. Its totient is φ = 2337553440.

The previous prime is 2345123509. The next prime is 2345123533. The reversal of 2345123513 is 3153215432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2345123513 - 2² = 2345123509 is a prime.

It is a super-2 number, since 2×2345123513² = 10999208582450922338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2345123533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648356 + ... + 651962.

It is an arithmetic number, because the mean of its divisors is an integer number (294088080).

Almost surely, 2^2345123513 is an apocalyptic number.

It is an amenable number.

2345123513 is a deficient number, since it is larger than the sum of its proper divisors (7581127).

2345123513 is a wasteful number, since it uses less digits than its factorization.

2345123513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527.

The product of its digits is 10800, while the sum is 29.

The square root of 2345123513 is about 48426.4753311657. The cubic root of 2345123513 is about 1328.5826408707.

Adding to 2345123513 its reverse (3153215432), we get a palindrome (5498338945).

It can be divided in two parts, 23451 and 23513, that added together give a palindrome (46964).

The spelling of 2345123513 in words is "two billion, three hundred forty-five million, one hundred twenty-three thousand, five hundred thirteen".