44129923 has 2 divisors, whose sum is σ = 44129924. Its totient is φ = 44129922.

The previous prime is 44129881. The next prime is 44129941. The reversal of 44129923 is 32992144.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44129923 is a prime.

It is not a weakly prime, because it can be changed into another prime (44129983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22064961 + 22064962.

It is an arithmetic number, because the mean of its divisors is an integer number (22064962).

Almost surely, 2^44129923 is an apocalyptic number.

44129923 is a deficient number, since it is larger than the sum of its proper divisors (1).

44129923 is an equidigital number, since it uses as much as digits as its factorization.

44129923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 44129923 is about 6643.0356765563. The cubic root of 44129923 is about 353.3819719641.

The spelling of 44129923 in words is "forty-four million, one hundred twenty-nine thousand, nine hundred twenty-three".