23321200057 has 2 divisors, whose sum is σ = 23321200058. Its totient is φ = 23321200056.

The previous prime is 23321200051. The next prime is 23321200093. The reversal of 23321200057 is 75000212332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14213169961 + 9108030096 = 119219^2 + 95436^2 .

It is a cyclic number.

It is not a de Polignac number, because 23321200057 - 2³¹ = 21173716409 is a prime.

It is not a weakly prime, because it can be changed into another prime (23321200051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660600028 + 11660600029.

It is an arithmetic number, because the mean of its divisors is an integer number (11660600029).

Almost surely, 2^23321200057 is an apocalyptic number.

It is an amenable number.

23321200057 is a deficient number, since it is larger than the sum of its proper divisors (1).

23321200057 is an equidigital number, since it uses as much as digits as its factorization.

23321200057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

Adding to 23321200057 its reverse (75000212332), we get a palindrome (98321412389).

The spelling of 23321200057 in words is "twenty-three billion, three hundred twenty-one million, two hundred thousand, fifty-seven".