423401045 has 8 divisors (see below), whose sum is σ = 515237760. Its totient is φ = 333949840.

The previous prime is 423401029. The next prime is 423401057. The reversal of 423401045 is 540104324.

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

It is not a de Polignac number, because 423401045 - 2⁴ = 423401029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423401045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595985 + ... + 596694.

It is an arithmetic number, because the mean of its divisors is an integer number (64404720).

Almost surely, 2^423401045 is an apocalyptic number.

It is an amenable number.

423401045 is a deficient number, since it is larger than the sum of its proper divisors (91836715).

423401045 is a wasteful number, since it uses less digits than its factorization.

423401045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192755.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 423401045 is about 20576.7112289598. The cubic root of 423401045 is about 750.9032347489.

Adding to 423401045 its reverse (540104324), we get a palindrome (963505369).

The spelling of 423401045 in words is "four hundred twenty-three million, four hundred one thousand, forty-five".