2137254923 has 4 divisors (see below), whose sum is σ = 2182728480. Its totient is φ = 2091781368.

The previous prime is 2137254901. The next prime is 2137254941. The reversal of 2137254923 is 3294527312.

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 2137254923 - 2¹⁶ = 2137189387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2137254983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22736708 + ... + 22736801.

It is an arithmetic number, because the mean of its divisors is an integer number (545682120).

Almost surely, 2^2137254923 is an apocalyptic number.

2137254923 is a deficient number, since it is larger than the sum of its proper divisors (45473557).

2137254923 is an equidigital number, since it uses as much as digits as its factorization.

2137254923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45473556.

The product of its digits is 90720, while the sum is 38.

The square root of 2137254923 is about 46230.4544970088. The cubic root of 2137254923 is about 1288.1074993783.

The spelling of 2137254923 in words is "two billion, one hundred thirty-seven million, two hundred fifty-four thousand, nine hundred twenty-three".