70100623 has 4 divisors (see below), whose sum is σ = 70117488. Its totient is φ = 70083760.

The previous prime is 70100603. The next prime is 70100647. The reversal of 70100623 is 32600107.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 70100623 - 2⁹ = 70100111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70100623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70100603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2718 + ... + 12148.

It is an arithmetic number, because the mean of its divisors is an integer number (17529372).

Almost surely, 2^70100623 is an apocalyptic number.

70100623 is a deficient number, since it is larger than the sum of its proper divisors (16865).

70100623 is an equidigital number, since it uses as much as digits as its factorization.

70100623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16864.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 70100623 is about 8372.6114802969. The cubic root of 70100623 is about 412.3259097640.

The spelling of 70100623 in words is "seventy million, one hundred thousand, six hundred twenty-three".