720150023 has 4 divisors (see below), whose sum is σ = 720824760. Its totient is φ = 719475288.

The previous prime is 720150007. The next prime is 720150031. The reversal of 720150023 is 320051027.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 720150023 - 2⁴ = 720150007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 720149977 and 720150004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720150083) 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, 335765 + ... + 337902.

It is an arithmetic number, because the mean of its divisors is an integer number (180206190).

Almost surely, 2^720150023 is an apocalyptic number.

720150023 is a deficient number, since it is larger than the sum of its proper divisors (674737).

720150023 is a wasteful number, since it uses less digits than its factorization.

720150023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674736.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 720150023 is about 26835.6110979422. The cubic root of 720150023 is about 896.3431962646.

The spelling of 720150023 in words is "seven hundred twenty million, one hundred fifty thousand, twenty-three".