23154893467 has 2 divisors, whose sum is σ = 23154893468. Its totient is φ = 23154893466.

The previous prime is 23154893453. The next prime is 23154893479. The reversal of 23154893467 is 76439845132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23154893467 - 2¹⁵ = 23154860699 is a prime.

It is a super-2 number, since 2×23154893467² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23154893407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11577446733 + 11577446734.

It is an arithmetic number, because the mean of its divisors is an integer number (11577446734).

Almost surely, 2^23154893467 is an apocalyptic number.

23154893467 is a deficient number, since it is larger than the sum of its proper divisors (1).

23154893467 is an equidigital number, since it uses as much as digits as its factorization.

23154893467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 52.

The spelling of 23154893467 in words is "twenty-three billion, one hundred fifty-four million, eight hundred ninety-three thousand, four hundred sixty-seven".