1507137923 has 2 divisors, whose sum is σ = 1507137924. Its totient is φ = 1507137922.

The previous prime is 1507137913. The next prime is 1507137937. The reversal of 1507137923 is 3297317051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1507137923 - 2¹⁰ = 1507136899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1507137913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753568961 + 753568962.

It is an arithmetic number, because the mean of its divisors is an integer number (753568962).

Almost surely, 2^1507137923 is an apocalyptic number.

1507137923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1507137923 is an equidigital number, since it uses as much as digits as its factorization.

1507137923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 1507137923 is about 38821.8742849956. The cubic root of 1507137923 is about 1146.5271215713.

The spelling of 1507137923 in words is "one billion, five hundred seven million, one hundred thirty-seven thousand, nine hundred twenty-three".