23002327551 has 16 divisors (see below), whose sum is σ = 35053344000. Its totient is φ = 13143370368.

The previous prime is 23002327549. The next prime is 23002327559. The reversal of 23002327551 is 15572320032.

It is a happy number.

It is not a de Polignac number, because 23002327551 - 2¹ = 23002327549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002327559) 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, 527095 + ... + 569063.

It is an arithmetic number, because the mean of its divisors is an integer number (2190834000).

Almost surely, 2^23002327551 is an apocalyptic number.

23002327551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23002327551 is a deficient number, since it is larger than the sum of its proper divisors (12051016449).

23002327551 is a wasteful number, since it uses less digits than its factorization.

23002327551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68078.

The product of its (nonzero) digits is 12600, while the sum is 30.

Adding to 23002327551 its reverse (15572320032), we get a palindrome (38574647583).

The spelling of 23002327551 in words is "twenty-three billion, two million, three hundred twenty-seven thousand, five hundred fifty-one".