23503512427 has 2 divisors, whose sum is σ = 23503512428. Its totient is φ = 23503512426.

The previous prime is 23503512413. The next prime is 23503512437. The reversal of 23503512427 is 72421530532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23503512427 is a prime.

It is a super-2 number, since 2×23503512427² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23503512392 and 23503512401.

It is not a weakly prime, because it can be changed into another prime (23503512437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11751756213 + 11751756214.

It is an arithmetic number, because the mean of its divisors is an integer number (11751756214).

Almost surely, 2^23503512427 is an apocalyptic number.

23503512427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23503512427 is an equidigital number, since it uses as much as digits as its factorization.

23503512427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 23503512427 in words is "twenty-three billion, five hundred three million, five hundred twelve thousand, four hundred twenty-seven".