23154135331 has 2 divisors, whose sum is σ = 23154135332. Its totient is φ = 23154135330.

The previous prime is 23154135313. The next prime is 23154135341. The reversal of 23154135331 is 13353145132.

It is a happy number.

Together with previous prime (23154135313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23154135331 - 2⁹ = 23154134819 is a prime.

It is a super-2 number, since 2×23154135331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23154135293 and 23154135302.

It is not a weakly prime, because it can be changed into another prime (23154135341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11577067665 + 11577067666.

It is an arithmetic number, because the mean of its divisors is an integer number (11577067666).

Almost surely, 2^23154135331 is an apocalyptic number.

23154135331 is a deficient number, since it is larger than the sum of its proper divisors (1).

23154135331 is an equidigital number, since it uses as much as digits as its factorization.

23154135331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 31.

The spelling of 23154135331 in words is "twenty-three billion, one hundred fifty-four million, one hundred thirty-five thousand, three hundred thirty-one".