23502420435 has 64 divisors (see below), whose sum is σ = 41323540608. Its totient is φ = 11334795264.

The previous prime is 23502420421. The next prime is 23502420437. The reversal of 23502420435 is 53402420532.

It is not a de Polignac number, because 23502420435 - 2⁴ = 23502420419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23502420437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9062499 + ... + 9065091.

It is an arithmetic number, because the mean of its divisors is an integer number (645680322).

Almost surely, 2^23502420435 is an apocalyptic number.

23502420435 is a deficient number, since it is larger than the sum of its proper divisors (17821120173).

23502420435 is a wasteful number, since it uses less digits than its factorization.

23502420435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 23502420435 its reverse (53402420532), we get a palindrome (76904840967).

The spelling of 23502420435 in words is "twenty-three billion, five hundred two million, four hundred twenty thousand, four hundred thirty-five".