234312133420 has 48 divisors (see below), whose sum is σ = 494191466496. Its totient is φ = 93318680000.

The previous prime is 234312133337. The next prime is 234312133459. The reversal of 234312133420 is 24331213432.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5645745 + ... + 5687095.

It is an arithmetic number, because the mean of its divisors is an integer number (10295655552).

Almost surely, 2^234312133420 is an apocalyptic number.

234312133420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234312133420 is an abundant number, since it is smaller than the sum of its proper divisors (259879333076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234312133420 is a wasteful number, since it uses less digits than its factorization.

234312133420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42582 (or 42580 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 234312133420 its reverse (24331213432), we get a palindrome (258643346852).

The spelling of 234312133420 in words is "two hundred thirty-four billion, three hundred twelve million, one hundred thirty-three thousand, four hundred twenty".