23002949 has 2 divisors, whose sum is σ = 23002950. Its totient is φ = 23002948.

The previous prime is 23002943. The next prime is 23002951. The reversal of 23002949 is 94920032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21325924 + 1677025 = 4618^2 + 1295^2 .

It is a cyclic number.

It is not a de Polignac number, because 23002949 - 2¹² = 22998853 is a prime.

Together with 23002951, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1448408 and since 23002949 and 1448408 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23002943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11501474 + 11501475.

It is an arithmetic number, because the mean of its divisors is an integer number (11501475).

Almost surely, 2^23002949 is an apocalyptic number.

It is an amenable number.

23002949 is a deficient number, since it is larger than the sum of its proper divisors (1).

23002949 is an equidigital number, since it uses as much as digits as its factorization.

23002949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 23002949 is about 4796.1389679616. The cubic root of 23002949 is about 284.3988519059.

The spelling of 23002949 in words is "twenty-three million, two thousand, nine hundred forty-nine".