123070236421 has 8 divisors (see below), whose sum is σ = 134768931264. Its totient is φ = 111456623520.

The previous prime is 123070236383. The next prime is 123070236433. The reversal of 123070236421 is 124632070321.

It is a happy number.

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

It is not a de Polignac number, because 123070236421 - 2¹¹ = 123070234373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123070236451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21267456 + ... + 21273241.

It is an arithmetic number, because the mean of its divisors is an integer number (16846116408).

Almost surely, 2^123070236421 is an apocalyptic number.

123070236421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123070236421 is a deficient number, since it is larger than the sum of its proper divisors (11698694843).

123070236421 is a wasteful number, since it uses less digits than its factorization.

123070236421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42540971.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 123070236421 in words is "one hundred twenty-three billion, seventy million, two hundred thirty-six thousand, four hundred twenty-one".