29401923 has 4 divisors (see below), whose sum is σ = 39202568. Its totient is φ = 19601280.

The previous prime is 29401913. The next prime is 29401927. The reversal of 29401923 is 32910492.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 29401923 - 2¹⁶ = 29336387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29401927) 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, 4900318 + ... + 4900323.

It is an arithmetic number, because the mean of its divisors is an integer number (9800642).

Almost surely, 2^29401923 is an apocalyptic number.

29401923 is a deficient number, since it is larger than the sum of its proper divisors (9800645).

29401923 is an equidigital number, since it uses as much as digits as its factorization.

29401923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9800644.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 29401923 is about 5422.3540090997. The cubic root of 29401923 is about 308.6445258130.

The spelling of 29401923 in words is "twenty-nine million, four hundred one thousand, nine hundred twenty-three".