23150745 has 32 divisors (see below), whose sum is σ = 41395200. Its totient is φ = 12275712.

The previous prime is 23150741. The next prime is 23150761. The reversal of 23150745 is 54705132.

It is a happy number.

It is not a de Polignac number, because 23150745 - 2² = 23150741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23150741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29721 + ... + 30489.

It is an arithmetic number, because the mean of its divisors is an integer number (1293600).

Almost surely, 2^23150745 is an apocalyptic number.

It is an amenable number.

23150745 is a deficient number, since it is larger than the sum of its proper divisors (18244455).

23150745 is a wasteful number, since it uses less digits than its factorization.

23150745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 23150745 is about 4811.5221084393. The cubic root of 23150745 is about 285.0066480444.

Adding to 23150745 its reverse (54705132), we get a palindrome (77855877).

The spelling of 23150745 in words is "twenty-three million, one hundred fifty thousand, seven hundred forty-five".