423151222461 has 24 divisors (see below), whose sum is σ = 624617135520. Its totient is φ = 254610253920.

The previous prime is 423151222397. The next prime is 423151222469. The reversal of 423151222461 is 164222151324.

It is not a de Polignac number, because 423151222461 - 2⁶ = 423151222397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423151222469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4142730 + ... + 4243643.

It is an arithmetic number, because the mean of its divisors is an integer number (26025713980).

Almost surely, 2^423151222461 is an apocalyptic number.

It is an amenable number.

423151222461 is a deficient number, since it is larger than the sum of its proper divisors (201465913059).

423151222461 is a wasteful number, since it uses less digits than its factorization.

423151222461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386537 (or 8386526 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

Adding to 423151222461 its reverse (164222151324), we get a palindrome (587373373785).

The spelling of 423151222461 in words is "four hundred twenty-three billion, one hundred fifty-one million, two hundred twenty-two thousand, four hundred sixty-one".