70002123 has 12 divisors (see below), whose sum is σ = 96448104. Its totient is φ = 45160800.

The previous prime is 70002043. The next prime is 70002131. The reversal of 70002123 is 32120007.

It is not a de Polignac number, because 70002123 - 2⁹ = 70001611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70002173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9258 + ... + 15023.

It is an arithmetic number, because the mean of its divisors is an integer number (8037342).

Almost surely, 2^70002123 is an apocalyptic number.

70002123 is a deficient number, since it is larger than the sum of its proper divisors (26445981).

70002123 is a wasteful number, since it uses less digits than its factorization.

70002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24346 (or 24315 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 70002123 is about 8366.7271378957. The cubic root of 70002123 is about 412.1326963619.

It can be divided in two parts, 70002 and 123, that added together give a triangular number (70125 = T₃₇₄).

The spelling of 70002123 in words is "seventy million, two thousand, one hundred twenty-three".