4272391923 has 8 divisors (see below), whose sum is σ = 5696895936. Its totient is φ = 2848074600.

The previous prime is 4272391891. The next prime is 4272391939. The reversal of 4272391923 is 3291932724.

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

It is not a de Polignac number, because 4272391923 - 2⁵ = 4272391891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4272391973) 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, 20568 + ... + 94698.

It is an arithmetic number, because the mean of its divisors is an integer number (712111992).

Almost surely, 2^4272391923 is an apocalyptic number.

4272391923 is a deficient number, since it is larger than the sum of its proper divisors (1424504013).

4272391923 is a wasteful number, since it uses less digits than its factorization.

4272391923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93345.

The product of its digits is 163296, while the sum is 42.

The square root of 4272391923 is about 65363.5366469716. The cubic root of 4272391923 is about 1622.6456696871.

The spelling of 4272391923 in words is "four billion, two hundred seventy-two million, three hundred ninety-one thousand, nine hundred twenty-three".