23571477373 has 2 divisors, whose sum is σ = 23571477374. Its totient is φ = 23571477372.

The previous prime is 23571477287. The next prime is 23571477383. The reversal of 23571477373 is 37377417532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12446079844 + 11125397529 = 111562^2 + 105477^2 .

It is a cyclic number.

It is not a de Polignac number, because 23571477373 - 2⁹ = 23571476861 is a prime.

It is a super-2 number, since 2×23571477373² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23571477383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11785738686 + 11785738687.

It is an arithmetic number, because the mean of its divisors is an integer number (11785738687).

Almost surely, 2^23571477373 is an apocalyptic number.

It is an amenable number.

23571477373 is a deficient number, since it is larger than the sum of its proper divisors (1).

23571477373 is an equidigital number, since it uses as much as digits as its factorization.

23571477373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2593080, while the sum is 49.

The spelling of 23571477373 in words is "twenty-three billion, five hundred seventy-one million, four hundred seventy-seven thousand, three hundred seventy-three".