23401555741 has 2 divisors, whose sum is σ = 23401555742. Its totient is φ = 23401555740.

The previous prime is 23401555699. The next prime is 23401555769. The reversal of 23401555741 is 14755510432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14581528516 + 8820027225 = 120754^2 + 93915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23401555741 is a prime.

It is a super-2 number, since 2×23401555741² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23401555741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23401550741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700777870 + 11700777871.

It is an arithmetic number, because the mean of its divisors is an integer number (11700777871).

Almost surely, 2^23401555741 is an apocalyptic number.

It is an amenable number.

23401555741 is a deficient number, since it is larger than the sum of its proper divisors (1).

23401555741 is an equidigital number, since it uses as much as digits as its factorization.

23401555741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 23401555741 in words is "twenty-three billion, four hundred one million, five hundred fifty-five thousand, seven hundred forty-one".