23137025447 has 2 divisors, whose sum is σ = 23137025448. Its totient is φ = 23137025446.

The previous prime is 23137025423. The next prime is 23137025567. The reversal of 23137025447 is 74452073132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23137025447 - 2¹⁰ = 23137024423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23137025447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23137025047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11568512723 + 11568512724.

It is an arithmetic number, because the mean of its divisors is an integer number (11568512724).

Almost surely, 2^23137025447 is an apocalyptic number.

23137025447 is a deficient number, since it is larger than the sum of its proper divisors (1).

23137025447 is an equidigital number, since it uses as much as digits as its factorization.

23137025447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 38.

Adding to 23137025447 its reverse (74452073132), we get a palindrome (97589098579).

The spelling of 23137025447 in words is "twenty-three billion, one hundred thirty-seven million, twenty-five thousand, four hundred forty-seven".