123970823 has 8 divisors (see below), whose sum is σ = 125344560. Its totient is φ = 122601600.

The previous prime is 123970789. The next prime is 123970843. The reversal of 123970823 is 328079321.

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

It is a cyclic number.

It is not a de Polignac number, because 123970823 - 2¹⁰ = 123969799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123970843) 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, 102623 + ... + 103823.

It is an arithmetic number, because the mean of its divisors is an integer number (15668070).

Almost surely, 2^123970823 is an apocalyptic number.

123970823 is a deficient number, since it is larger than the sum of its proper divisors (1373737).

123970823 is a wasteful number, since it uses less digits than its factorization.

123970823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 123970823 is about 11134.2185626114. The cubic root of 123970823 is about 498.6239806152.

The spelling of 123970823 in words is "one hundred twenty-three million, nine hundred seventy thousand, eight hundred twenty-three".