23975384077 has 2 divisors, whose sum is σ = 23975384078. Its totient is φ = 23975384076.

The previous prime is 23975384039. The next prime is 23975384119. The reversal of 23975384077 is 77048357932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20420124201 + 3555259876 = 142899^2 + 59626^2 .

It is a cyclic number.

It is not a de Polignac number, because 23975384077 - 2³¹ = 21827900429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23975304077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11987692038 + 11987692039.

It is an arithmetic number, because the mean of its divisors is an integer number (11987692039).

Almost surely, 2^23975384077 is an apocalyptic number.

It is an amenable number.

23975384077 is a deficient number, since it is larger than the sum of its proper divisors (1).

23975384077 is an equidigital number, since it uses as much as digits as its factorization.

23975384077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8890560, while the sum is 55.

The spelling of 23975384077 in words is "twenty-three billion, nine hundred seventy-five million, three hundred eighty-four thousand, seventy-seven".