23120340502 has 32 divisors (see below), whose sum is σ = 40816972800. Its totient is φ = 9617444928.

The previous prime is 23120340499. The next prime is 23120340521. The reversal of 23120340502 is 20504302132.

It is a super-2 number, since 2×23120340502² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111903 + ... + 242410.

It is an arithmetic number, because the mean of its divisors is an integer number (1275530400).

Almost surely, 2^23120340502 is an apocalyptic number.

23120340502 is a deficient number, since it is larger than the sum of its proper divisors (17696632298).

23120340502 is a wasteful number, since it uses less digits than its factorization.

23120340502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354460.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 23120340502 its reverse (20504302132), we get a palindrome (43624642634).

The spelling of 23120340502 in words is "twenty-three billion, one hundred twenty million, three hundred forty thousand, five hundred two".