23145351 has 8 divisors (see below), whose sum is σ = 31321344. Its totient is φ = 15199800.

The previous prime is 23145349. The next prime is 23145359. The reversal of 23145351 is 15354132.

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

It is not a de Polignac number, because 23145351 - 2¹ = 23145349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23145359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57375 + ... + 57776.

It is an arithmetic number, because the mean of its divisors is an integer number (3915168).

Almost surely, 2^23145351 is an apocalyptic number.

23145351 is a deficient number, since it is larger than the sum of its proper divisors (8175993).

23145351 is a wasteful number, since it uses less digits than its factorization.

23145351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115221.

The product of its digits is 1800, while the sum is 24.

The square root of 23145351 is about 4810.9615463024. The cubic root of 23145351 is about 284.9845113159.

Adding to 23145351 its reverse (15354132), we get a palindrome (38499483).

The spelling of 23145351 in words is "twenty-three million, one hundred forty-five thousand, three hundred fifty-one".