23140542501 has 6 divisors (see below), whose sum is σ = 33425228070. Its totient is φ = 15427028328.

The previous prime is 23140542499. The next prime is 23140542517. The reversal of 23140542501 is 10524504132.

23140542501 is a `hidden beast` number, since 2 + 3 + 1 + 405 + 4 + 250 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19305713025 + 3834829476 = 138945^2 + 61926^2 .

It is not a de Polignac number, because 23140542501 - 2¹ = 23140542499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140542521) 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, 1285585686 + ... + 1285585703.

It is an arithmetic number, because the mean of its divisors is an integer number (5570871345).

Almost surely, 2^23140542501 is an apocalyptic number.

It is an amenable number.

23140542501 is a deficient number, since it is larger than the sum of its proper divisors (10284685569).

23140542501 is a wasteful number, since it uses less digits than its factorization.

23140542501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571171395 (or 2571171392 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 23140542501 in words is "twenty-three billion, one hundred forty million, five hundred forty-two thousand, five hundred one".