23151455401 has 4 divisors (see below), whose sum is σ = 23233845204. Its totient is φ = 23069065600.

The previous prime is 23151455399. The next prime is 23151455413. The reversal of 23151455401 is 10455415132.

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 20368998400 + 2782457001 = 142720^2 + 52749^2 .

It is a cyclic number.

It is not a de Polignac number, because 23151455401 - 2¹ = 23151455399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23151455441) 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, 41194480 + ... + 41195041.

It is an arithmetic number, because the mean of its divisors is an integer number (5808461301).

Almost surely, 2^23151455401 is an apocalyptic number.

It is an amenable number.

23151455401 is a deficient number, since it is larger than the sum of its proper divisors (82389803).

23151455401 is an equidigital number, since it uses as much as digits as its factorization.

23151455401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82389802.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 23151455401 in words is "twenty-three billion, one hundred fifty-one million, four hundred fifty-five thousand, four hundred one".