23742287737551 has 6 divisors (see below), whose sum is σ = 34294415620920. Its totient is φ = 15828191825028.

The previous prime is 23742287737541. The next prime is 23742287737657. The reversal of 23742287737551 is 15573778224732.

23742287737551 is a `hidden beast` number, since 2 + 3 + 7 + 4 + 2 + 2 + 8 + 7 + 73 + 7 + 551 = 666.

It is not a de Polignac number, because 23742287737551 - 2⁹ = 23742287737039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23742287737541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1319015985411 + ... + 1319015985428.

It is an arithmetic number, because the mean of its divisors is an integer number (5715735936820).

Almost surely, 2^{23742287737551} is an apocalyptic number.

23742287737551 is a deficient number, since it is larger than the sum of its proper divisors (10552127883369).

23742287737551 is a wasteful number, since it uses less digits than its factorization.

23742287737551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638031970845 (or 2638031970842 counting only the distinct ones).

The product of its digits is 138297600, while the sum is 63.

The spelling of 23742287737551 in words is "twenty-three trillion, seven hundred forty-two billion, two hundred eighty-seven million, seven hundred thirty-seven thousand, five hundred fifty-one".