23542624986493 has 4 divisors (see below), whose sum is σ = 23542668285948. Its totient is φ = 23542581687040.

The previous prime is 23542624986487. The next prime is 23542624986511. The reversal of 23542624986493 is 39468942624532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22880896426404 + 661728560089 = 4783398^2 + 813467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23542624986493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23542624986403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20823646 + ... + 21925087.

It is an arithmetic number, because the mean of its divisors is an integer number (5885667071487).

Almost surely, 2^{23542624986493} is an apocalyptic number.

It is an amenable number.

23542624986493 is a deficient number, since it is larger than the sum of its proper divisors (43299455).

23542624986493 is an equidigital number, since it uses as much as digits as its factorization.

23542624986493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43299454.

The product of its digits is 537477120, while the sum is 67.

The spelling of 23542624986493 in words is "twenty-three trillion, five hundred forty-two billion, six hundred twenty-four million, nine hundred eighty-six thousand, four hundred ninety-three".