23355540403 has 32 divisors (see below), whose sum is σ = 25862860800. Its totient is φ = 20959344000.

The previous prime is 23355540401. The next prime is 23355540413. The reversal of 23355540403 is 30404555332.

It is a cyclic number.

It is not a de Polignac number, because 23355540403 - 2¹ = 23355540401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23355540401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48758718 + ... + 48759196.

It is an arithmetic number, because the mean of its divisors is an integer number (808214400).

Almost surely, 2^23355540403 is an apocalyptic number.

23355540403 is a deficient number, since it is larger than the sum of its proper divisors (2507320397).

23355540403 is a wasteful number, since it uses less digits than its factorization.

23355540403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 108000, while the sum is 34.

The spelling of 23355540403 in words is "twenty-three billion, three hundred fifty-five million, five hundred forty thousand, four hundred three".