47399923 has 16 divisors (see below), whose sum is σ = 50408064. Its totient is φ = 44513280.

The previous prime is 47399917. The next prime is 47399929. The reversal of 47399923 is 32999374.

It is an interprime number because it is at equal distance from previous prime (47399917) and next prime (47399929).

It is a cyclic number.

It is not a de Polignac number, because 47399923 - 2¹³ = 47391731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47399929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168543 + ... + 168823.

It is an arithmetic number, because the mean of its divisors is an integer number (3150504).

Almost surely, 2^47399923 is an apocalyptic number.

47399923 is a deficient number, since it is larger than the sum of its proper divisors (3008141).

47399923 is a wasteful number, since it uses less digits than its factorization.

47399923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462.

The product of its digits is 367416, while the sum is 46.

The square root of 47399923 is about 6884.7601991645. The cubic root of 47399923 is about 361.9033018076.

The spelling of 47399923 in words is "forty-seven million, three hundred ninety-nine thousand, nine hundred twenty-three".