23513742537 has 8 divisors (see below), whose sum is σ = 31369071840. Its totient is φ = 15667120800.

The previous prime is 23513742463. The next prime is 23513742541. The reversal of 23513742537 is 73524731532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23513742537 - 2¹² = 23513738441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23513742137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2170587 + ... + 2181392.

It is an arithmetic number, because the mean of its divisors is an integer number (3921133980).

Almost surely, 2^23513742537 is an apocalyptic number.

It is an amenable number.

23513742537 is a deficient number, since it is larger than the sum of its proper divisors (7855329303).

23513742537 is a wasteful number, since it uses less digits than its factorization.

23513742537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353783.

The product of its digits is 529200, while the sum is 42.

The spelling of 23513742537 in words is "twenty-three billion, five hundred thirteen million, seven hundred forty-two thousand, five hundred thirty-seven".