23402111440432 has 40 divisors (see below), whose sum is σ = 45438224902400. Its totient is φ = 11676130869312.

The previous prime is 23402111440373. The next prime is 23402111440471. The reversal of 23402111440432 is 23404411120432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23402111440394 and 23402111440403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28645069 + ... + 29450707.

It is an arithmetic number, because the mean of its divisors is an integer number (1135955622560).

Almost surely, 2^{23402111440432} is an apocalyptic number.

It is an amenable number.

23402111440432 is a deficient number, since it is larger than the sum of its proper divisors (22036113461968).

23402111440432 is a wasteful number, since it uses less digits than its factorization.

23402111440432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809513 (or 809507 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 23402111440432 its reverse (23404411120432), we get a palindrome (46806522560864).

The spelling of 23402111440432 in words is "twenty-three trillion, four hundred two billion, one hundred eleven million, four hundred forty thousand, four hundred thirty-two".