1157367023 has 4 divisors (see below), whose sum is σ = 1171311288. Its totient is φ = 1143422760.

The previous prime is 1157367011. The next prime is 1157367037. The reversal of 1157367023 is 3207637511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1157367023 - 2¹⁶ = 1157301487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157367923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6972008 + ... + 6972173.

It is an arithmetic number, because the mean of its divisors is an integer number (292827822).

Almost surely, 2^1157367023 is an apocalyptic number.

1157367023 is a deficient number, since it is larger than the sum of its proper divisors (13944265).

1157367023 is an equidigital number, since it uses as much as digits as its factorization.

1157367023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13944264.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 1157367023 is about 34020.0973396609. The cubic root of 1157367023 is about 1049.9219966241.

The spelling of 1157367023 in words is "one billion, one hundred fifty-seven million, three hundred sixty-seven thousand, twenty-three".