137023603 has 4 divisors (see below), whose sum is σ = 139609008. Its totient is φ = 134438200.

The previous prime is 137023577. The next prime is 137023613. The reversal of 137023603 is 306320731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306320731 = 179 ⋅1711289.

It is a cyclic number.

It is not a de Polignac number, because 137023603 - 2⁵ = 137023571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137023613) 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, 1292623 + ... + 1292728.

It is an arithmetic number, because the mean of its divisors is an integer number (34902252).

Almost surely, 2^137023603 is an apocalyptic number.

137023603 is a deficient number, since it is larger than the sum of its proper divisors (2585405).

137023603 is an equidigital number, since it uses as much as digits as its factorization.

137023603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585404.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 137023603 is about 11705.7081374857. The cubic root of 137023603 is about 515.5432768822.

The spelling of 137023603 in words is "one hundred thirty-seven million, twenty-three thousand, six hundred three".