23540061235 has 16 divisors (see below), whose sum is σ = 29082513600. Its totient is φ = 18280373760.

The previous prime is 23540061187. The next prime is 23540061239. The reversal of 23540061235 is 53216004532.

It is a happy number.

It is not a de Polignac number, because 23540061235 - 2⁷ = 23540061107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23540061197 and 23540061206.

It is not an unprimeable number, because it can be changed into a prime (23540061239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247722 + ... + 329311.

It is an arithmetic number, because the mean of its divisors is an integer number (1817657100).

Almost surely, 2^23540061235 is an apocalyptic number.

23540061235 is a deficient number, since it is larger than the sum of its proper divisors (5542452365).

23540061235 is a wasteful number, since it uses less digits than its factorization.

23540061235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577278.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 23540061235 its reverse (53216004532), we get a palindrome (76756065767).

The spelling of 23540061235 in words is "twenty-three billion, five hundred forty million, sixty-one thousand, two hundred thirty-five".