23133440400542 has 32 divisors (see below), whose sum is σ = 36675808041600. Its totient is φ = 10925682896128.

The previous prime is 23133440400541. The next prime is 23133440400557. The reversal of 23133440400542 is 24500404433132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133440400541) 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, 4750184 + ... + 8296452.

It is an arithmetic number, because the mean of its divisors is an integer number (1146119001300).

Almost surely, 2^{23133440400542} is an apocalyptic number.

23133440400542 is a deficient number, since it is larger than the sum of its proper divisors (13542367641058).

23133440400542 is a wasteful number, since it uses less digits than its factorization.

23133440400542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548740.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 23133440400542 its reverse (24500404433132), we get a palindrome (47633844833674).

The spelling of 23133440400542 in words is "twenty-three trillion, one hundred thirty-three billion, four hundred forty million, four hundred thousand, five hundred forty-two".