1137457723 has 2 divisors, whose sum is σ = 1137457724. Its totient is φ = 1137457722.

The previous prime is 1137457693. The next prime is 1137457733. The reversal of 1137457723 is 3277547311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1137457723 is a prime.

It is a super-2 number, since 2×1137457723² = 2587620143224689458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1137457733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568728861 + 568728862.

It is an arithmetic number, because the mean of its divisors is an integer number (568728862).

Almost surely, 2^1137457723 is an apocalyptic number.

1137457723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137457723 is an equidigital number, since it uses as much as digits as its factorization.

1137457723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 40.

The square root of 1137457723 is about 33726.2171463092. The cubic root of 1137457723 is about 1043.8668066869.

The spelling of 1137457723 in words is "one billion, one hundred thirty-seven million, four hundred fifty-seven thousand, seven hundred twenty-three".