23437242547 has 2 divisors, whose sum is σ = 23437242548. Its totient is φ = 23437242546.

The previous prime is 23437242509. The next prime is 23437242557. The reversal of 23437242547 is 74524273432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23437242547 - 2²³ = 23428853939 is a prime.

It is not a weakly prime, because it can be changed into another prime (23437242557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11718621273 + 11718621274.

It is an arithmetic number, because the mean of its divisors is an integer number (11718621274).

Almost surely, 2^23437242547 is an apocalyptic number.

23437242547 is a deficient number, since it is larger than the sum of its proper divisors (1).

23437242547 is an equidigital number, since it uses as much as digits as its factorization.

23437242547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 43.

The spelling of 23437242547 in words is "twenty-three billion, four hundred thirty-seven million, two hundred forty-two thousand, five hundred forty-seven".