23400949 has 8 divisors (see below), whose sum is σ = 27492192. Its totient is φ = 19637040.

The previous prime is 23400929. The next prime is 23400967. The reversal of 23400949 is 94900432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23400949 - 2¹³ = 23392757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23400949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23400929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81679 + ... + 81964.

It is an arithmetic number, because the mean of its divisors is an integer number (3436524).

Almost surely, 2^23400949 is an apocalyptic number.

It is an amenable number.

23400949 is a deficient number, since it is larger than the sum of its proper divisors (4091243).

23400949 is a wasteful number, since it uses less digits than its factorization.

23400949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163667.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 23400949 is about 4837.4527387872. The cubic root of 23400949 is about 286.0297171918.

The spelling of 23400949 in words is "twenty-three million, four hundred thousand, nine hundred forty-nine".