623109023057 has 2 divisors, whose sum is σ = 623109023058. Its totient is φ = 623109023056.

The previous prime is 623109023051. The next prime is 623109023081. The reversal of 623109023057 is 750320901326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 531009519616 + 92099503441 = 728704^2 + 303479^2 .

It is a cyclic number.

It is not a de Polignac number, because 623109023057 - 2¹⁴ = 623109006673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 623109023057.

It is not a weakly prime, because it can be changed into another prime (623109023051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311554511528 + 311554511529.

It is an arithmetic number, because the mean of its divisors is an integer number (311554511529).

Almost surely, 2^623109023057 is an apocalyptic number.

It is an amenable number.

623109023057 is a deficient number, since it is larger than the sum of its proper divisors (1).

623109023057 is an equidigital number, since it uses as much as digits as its factorization.

623109023057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 623109023057 in words is "six hundred twenty-three billion, one hundred nine million, twenty-three thousand, fifty-seven".