23431233032403 has 16 divisors (see below), whose sum is σ = 35704872000000. Its totient is φ = 13389225037056.

The previous prime is 23431233032399. The next prime is 23431233032423. The reversal of 23431233032403 is 30423033213432.

It is not a de Polignac number, because 23431233032403 - 2² = 23431233032399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23431233032423) 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, 3922626 + ... + 7889832.

It is an arithmetic number, because the mean of its divisors is an integer number (2231554500000).

Almost surely, 2^{23431233032403} is an apocalyptic number.

23431233032403 is a deficient number, since it is larger than the sum of its proper divisors (12273638967597).

23431233032403 is a wasteful number, since it uses less digits than its factorization.

23431233032403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248466.

The product of its (nonzero) digits is 93312, while the sum is 33.

Adding to 23431233032403 its reverse (30423033213432), we get a palindrome (53854266245835).

The spelling of 23431233032403 in words is "twenty-three trillion, four hundred thirty-one billion, two hundred thirty-three million, thirty-two thousand, four hundred three".