123514491 has 4 divisors (see below), whose sum is σ = 164685992. Its totient is φ = 82342992.

The previous prime is 123514481. The next prime is 123514493. The reversal of 123514491 is 194415321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 123514491 - 2¹¹ = 123512443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123514493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20585746 + ... + 20585751.

It is an arithmetic number, because the mean of its divisors is an integer number (41171498).

Almost surely, 2^123514491 is an apocalyptic number.

123514491 is a deficient number, since it is larger than the sum of its proper divisors (41171501).

123514491 is an equidigital number, since it uses as much as digits as its factorization.

123514491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41171500.

The product of its digits is 4320, while the sum is 30.

The square root of 123514491 is about 11113.7073472357. The cubic root of 123514491 is about 498.0114229408.

The spelling of 123514491 in words is "one hundred twenty-three million, five hundred fourteen thousand, four hundred ninety-one".