140000523 has 8 divisors (see below), whose sum is σ = 201026448. Its totient is φ = 86154144.

The previous prime is 140000503. The next prime is 140000599. The reversal of 140000523 is 325000041.

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

It is not a de Polignac number, because 140000523 - 2⁶ = 140000459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140000503) 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, 1794840 + ... + 1794917.

It is an arithmetic number, because the mean of its divisors is an integer number (25128306).

Almost surely, 2^140000523 is an apocalyptic number.

140000523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140000523 is a deficient number, since it is larger than the sum of its proper divisors (61025925).

140000523 is a wasteful number, since it uses less digits than its factorization.

140000523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589773.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 140000523 is about 11832.1816669624. The cubic root of 140000523 is about 519.2500567735.

Adding to 140000523 its reverse (325000041), we get a palindrome (465000564).

The spelling of 140000523 in words is "one hundred forty million, five hundred twenty-three", and thus it is an aban number.