23172742365 has 8 divisors (see below), whose sum is σ = 37076387808. Its totient is φ = 12358795920.

The previous prime is 23172742331. The next prime is 23172742379. The reversal of 23172742365 is 56324727132.

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

It is not a de Polignac number, because 23172742365 - 2¹⁰ = 23172741341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772424731 + ... + 772424760.

It is an arithmetic number, because the mean of its divisors is an integer number (4634548476).

Almost surely, 2^23172742365 is an apocalyptic number.

It is an amenable number.

23172742365 is a deficient number, since it is larger than the sum of its proper divisors (13903645443).

23172742365 is a wasteful number, since it uses less digits than its factorization.

23172742365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544849499.

The product of its digits is 423360, while the sum is 42.

The spelling of 23172742365 in words is "twenty-three billion, one hundred seventy-two million, seven hundred forty-two thousand, three hundred sixty-five".