86923453 has 2 divisors, whose sum is σ = 86923454. Its totient is φ = 86923452.

The previous prime is 86923439. The next prime is 86923481. The reversal of 86923453 is 35432968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86806489 + 116964 = 9317^2 + 342^2 .

It is a cyclic number.

It is not a de Polignac number, because 86923453 - 2²⁵ = 53369021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86927453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43461726 + 43461727.

It is an arithmetic number, because the mean of its divisors is an integer number (43461727).

Almost surely, 2^86923453 is an apocalyptic number.

86923453 is the 4984-th centered heptagonal number.

It is an amenable number.

86923453 is a deficient number, since it is larger than the sum of its proper divisors (1).

86923453 is an equidigital number, since it uses as much as digits as its factorization.

86923453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 86923453 is about 9323.2748001976. The cubic root of 86923453 is about 442.9747687104.

The spelling of 86923453 in words is "eighty-six million, nine hundred twenty-three thousand, four hundred fifty-three".