623473251 has 8 divisors (see below), whose sum is σ = 833436240. Its totient is φ = 414579552.

The previous prime is 623473247. The next prime is 623473261. The reversal of 623473251 is 152374326.

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

It is not a de Polignac number, because 623473251 - 2² = 623473247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (623473261) 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, 265960 + ... + 268293.

It is an arithmetic number, because the mean of its divisors is an integer number (104179530).

Almost surely, 2^623473251 is an apocalyptic number.

623473251 is a deficient number, since it is larger than the sum of its proper divisors (209962989).

623473251 is a wasteful number, since it uses less digits than its factorization.

623473251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534645.

The product of its digits is 30240, while the sum is 33.

The square root of 623473251 is about 24969.4463494888. The cubic root of 623473251 is about 854.2912179346.

The spelling of 623473251 in words is "six hundred twenty-three million, four hundred seventy-three thousand, two hundred fifty-one".