127423154220 has 96 divisors (see below), whose sum is σ = 394197124608. Its totient is φ = 30590241792.

The previous prime is 127423154213. The next prime is 127423154249. The reversal of 127423154220 is 22451324721.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2692294 + ... + 2739213.

It is an arithmetic number, because the mean of its divisors is an integer number (4106220048).

Almost surely, 2^127423154220 is an apocalyptic number.

127423154220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127423154220 is an abundant number, since it is smaller than the sum of its proper divisors (266773970388).

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

127423154220 is a wasteful number, since it uses less digits than its factorization.

127423154220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431559 (or 5431557 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 127423154220 its reverse (22451324721), we get a palindrome (149874478941).

The spelling of 127423154220 in words is "one hundred twenty-seven billion, four hundred twenty-three million, one hundred fifty-four thousand, two hundred twenty".