423740765 has 16 divisors (see below), whose sum is σ = 581662080. Its totient is φ = 290299200.

The previous prime is 423740719. The next prime is 423740789. The reversal of 423740765 is 567047324.

It is not a de Polignac number, because 423740765 - 2⁶ = 423740701 is a prime.

It is a congruent 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, 38090 + ... + 47940.

It is an arithmetic number, because the mean of its divisors is an integer number (36353880).

Almost surely, 2^423740765 is an apocalyptic number.

It is an amenable number.

423740765 is a deficient number, since it is larger than the sum of its proper divisors (157921315).

423740765 is a wasteful number, since it uses less digits than its factorization.

423740765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11092.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 423740765 is about 20584.9645372539. The cubic root of 423740765 is about 751.1040125960.

The spelling of 423740765 in words is "four hundred twenty-three million, seven hundred forty thousand, seven hundred sixty-five".