77113123 has 2 divisors, whose sum is σ = 77113124. Its totient is φ = 77113122.

The previous prime is 77113109. The next prime is 77113159. The reversal of 77113123 is 32131177.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77113123 is a prime.

It is not a weakly prime, because it can be changed into another prime (77113823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38556561 + 38556562.

It is an arithmetic number, because the mean of its divisors is an integer number (38556562).

Almost surely, 2^77113123 is an apocalyptic number.

77113123 is a deficient number, since it is larger than the sum of its proper divisors (1).

77113123 is an equidigital number, since it uses as much as digits as its factorization.

77113123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 882, while the sum is 25.

The square root of 77113123 is about 8781.4078028526. The cubic root of 77113123 is about 425.6403228980.

The spelling of 77113123 in words is "seventy-seven million, one hundred thirteen thousand, one hundred twenty-three".