23154103993 has 2 divisors, whose sum is σ = 23154103994. Its totient is φ = 23154103992.

The previous prime is 23154103961. The next prime is 23154104003. The reversal of 23154103993 is 39930145132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22712599849 + 441504144 = 150707^2 + 21012^2 .

It is a cyclic number.

It is not a de Polignac number, because 23154103993 - 2⁵ = 23154103961 is a prime.

It is a super-2 number, since 2×23154103993² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23154103913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11577051996 + 11577051997.

It is an arithmetic number, because the mean of its divisors is an integer number (11577051997).

Almost surely, 2^23154103993 is an apocalyptic number.

It is an amenable number.

23154103993 is a deficient number, since it is larger than the sum of its proper divisors (1).

23154103993 is an equidigital number, since it uses as much as digits as its factorization.

23154103993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 23154103993 in words is "twenty-three billion, one hundred fifty-four million, one hundred three thousand, nine hundred ninety-three".