23402040431132 has 96 divisors (see below), whose sum is σ = 47480659107840. Its totient is φ = 9974371691520.

The previous prime is 23402040431131. The next prime is 23402040431173. The reversal of 23402040431132 is 23113404020432.

It is a junction number, because it is equal to n+sod(n) for n = 23402040431095 and 23402040431104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402040431131) 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, 291854198 + ... + 291934370.

It is an arithmetic number, because the mean of its divisors is an integer number (494590199040).

Almost surely, 2^{23402040431132} is an apocalyptic number.

23402040431132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23402040431132 is an abundant number, since it is smaller than the sum of its proper divisors (24078618676708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23402040431132 is a wasteful number, since it uses less digits than its factorization.

23402040431132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81651 (or 81649 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 23402040431132 its reverse (23113404020432), we get a palindrome (46515444451564).

The spelling of 23402040431132 in words is "twenty-three trillion, four hundred two billion, forty million, four hundred thirty-one thousand, one hundred thirty-two".