1400426423 has 4 divisors (see below), whose sum is σ = 1527737928. Its totient is φ = 1273114920.

The previous prime is 1400426413. The next prime is 1400426437. The reversal of 1400426423 is 3246240041.

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

It is not a de Polignac number, because 1400426423 - 2¹² = 1400422327 is a prime.

It is a super-2 number, since 2×1400426423² = 3922388332473149858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400426392 and 1400426401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400426413) 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, 63655736 + ... + 63655757.

It is an arithmetic number, because the mean of its divisors is an integer number (381934482).

Almost surely, 2^1400426423 is an apocalyptic number.

1400426423 is a deficient number, since it is larger than the sum of its proper divisors (127311505).

1400426423 is a wasteful number, since it uses less digits than its factorization.

1400426423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127311504.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1400426423 is about 37422.2717509239. The cubic root of 1400426423 is about 1118.8025102409.

Adding to 1400426423 its reverse (3246240041), we get a palindrome (4646666464).

The spelling of 1400426423 in words is "one billion, four hundred million, four hundred twenty-six thousand, four hundred twenty-three".