23572140401 has 2 divisors, whose sum is σ = 23572140402. Its totient is φ = 23572140400.

The previous prime is 23572140349. The next prime is 23572140407. The reversal of 23572140401 is 10404127532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13795677025 + 9776463376 = 117455^2 + 98876^2 .

It is a cyclic number.

It is not a de Polignac number, because 23572140401 - 2¹⁸ = 23571878257 is a prime.

It is not a weakly prime, because it can be changed into another prime (23572140407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11786070200 + 11786070201.

It is an arithmetic number, because the mean of its divisors is an integer number (11786070201).

Almost surely, 2^23572140401 is an apocalyptic number.

It is an amenable number.

23572140401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23572140401 is an equidigital number, since it uses as much as digits as its factorization.

23572140401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 23572140401 its reverse (10404127532), we get a palindrome (33976267933).

The spelling of 23572140401 in words is "twenty-three billion, five hundred seventy-two million, one hundred forty thousand, four hundred one".