1423422501 has 4 divisors (see below), whose sum is σ = 1897896672. Its totient is φ = 948948332.

The previous prime is 1423422491. The next prime is 1423422509. The reversal of 1423422501 is 1052243241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423422501 is a prime.

It is a super-2 number, since 2×1423422501² = 4052263232706190002, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423422509) 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, 237237081 + ... + 237237086.

It is an arithmetic number, because the mean of its divisors is an integer number (474474168).

Almost surely, 2^1423422501 is an apocalyptic number.

It is an amenable number.

1423422501 is a deficient number, since it is larger than the sum of its proper divisors (474474171).

1423422501 is an equidigital number, since it uses as much as digits as its factorization.

1423422501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474474170.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1423422501 is about 37728.2719058268. The cubic root of 1423422501 is about 1124.8931588413.

Adding to 1423422501 its reverse (1052243241), we get a palindrome (2475665742).

The spelling of 1423422501 in words is "one billion, four hundred twenty-three million, four hundred twenty-two thousand, five hundred one".