23551142551044 has 96 divisors (see below), whose sum is σ = 61342812679680. Its totient is φ = 6988833612288.

The previous prime is 23551142551031. The next prime is 23551142551067. The reversal of 23551142551044 is 44015524115532.

It is a junction number, because it is equal to n+sod(n) for n = 23551142550987 and 23551142551005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2232574 + ... + 7217109.

It is an arithmetic number, because the mean of its divisors is an integer number (638987632080).

Almost surely, 2^{23551142551044} is an apocalyptic number.

It is an amenable number.

23551142551044 is an abundant number, since it is smaller than the sum of its proper divisors (37791670128636).

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

23551142551044 is a wasteful number, since it uses less digits than its factorization.

23551142551044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9450369 (or 9450367 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 42.

Adding to 23551142551044 its reverse (44015524115532), we get a palindrome (67566666666576).

The spelling of 23551142551044 in words is "twenty-three trillion, five hundred fifty-one billion, one hundred forty-two million, five hundred fifty-one thousand, forty-four".