131233423990 has 8 divisors (see below), whose sum is σ = 236220163200. Its totient is φ = 52493369592.

The previous prime is 131233423963. The next prime is 131233423991. The reversal of 131233423990 is 99324332131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131233423991) 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, 6561671190 + ... + 6561671209.

It is an arithmetic number, because the mean of its divisors is an integer number (29527520400).

Almost surely, 2^131233423990 is an apocalyptic number.

131233423990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131233423990 is a deficient number, since it is larger than the sum of its proper divisors (104986739210).

131233423990 is a wasteful number, since it uses less digits than its factorization.

131233423990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13123342406.

The product of its (nonzero) digits is 104976, while the sum is 40.

The spelling of 131233423990 in words is "one hundred thirty-one billion, two hundred thirty-three million, four hundred twenty-three thousand, nine hundred ninety".