23377939 has 12 divisors (see below), whose sum is σ = 25911336. Its totient is φ = 21071232.

The previous prime is 23377909. The next prime is 23377943. The reversal of 23377939 is 93977332.

It is a happy number.

It is not a de Polignac number, because 23377939 - 2⁷ = 23377811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23377895 and 23377904.

It is not an unprimeable number, because it can be changed into a prime (23377909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5659 + ... + 8875.

It is an arithmetic number, because the mean of its divisors is an integer number (2159278).

Almost surely, 2^23377939 is an apocalyptic number.

23377939 is a deficient number, since it is larger than the sum of its proper divisors (2533397).

23377939 is a wasteful number, since it uses less digits than its factorization.

23377939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286 (or 3273 counting only the distinct ones).

The product of its digits is 214326, while the sum is 43.

The square root of 23377939 is about 4835.0738360443. The cubic root of 23377939 is about 285.9359360640.

The spelling of 23377939 in words is "twenty-three million, three hundred seventy-seven thousand, nine hundred thirty-nine".