1390275023 has 2 divisors, whose sum is σ = 1390275024. Its totient is φ = 1390275022.

The previous prime is 1390275013. The next prime is 1390275059. The reversal of 1390275023 is 3205720931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1390275023 - 2¹⁶ = 1390209487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1390275013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695137511 + 695137512.

It is an arithmetic number, because the mean of its divisors is an integer number (695137512).

Almost surely, 2^1390275023 is an apocalyptic number.

1390275023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390275023 is an equidigital number, since it uses as much as digits as its factorization.

1390275023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 1390275023 is about 37286.3919278870. The cubic root of 1390275023 is about 1116.0926295998.

Adding to 1390275023 its reverse (3205720931), we get a palindrome (4595995954).

The spelling of 1390275023 in words is "one billion, three hundred ninety million, two hundred seventy-five thousand, twenty-three".