1400423555 has 8 divisors (see below), whose sum is σ = 1680810912. Its totient is φ = 1120137088.

The previous prime is 1400423537. The next prime is 1400423573. The reversal of 1400423555 is 5553240041.

It is an interprime number because it is at equal distance from previous prime (1400423537) and next prime (1400423573).

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

It is a cyclic number.

It is not a de Polignac number, because 1400423555 - 2¹⁶ = 1400358019 is a prime.

It is a super-2 number, since 2×1400423555² = 3922372266797676050, which contains 22 as substring.

It is a Duffinian 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, 9722 + ... + 53808.

It is an arithmetic number, because the mean of its divisors is an integer number (210101364).

Almost surely, 2^1400423555 is an apocalyptic number.

1400423555 is a deficient number, since it is larger than the sum of its proper divisors (280387357).

1400423555 is an equidigital number, since it uses as much as digits as its factorization.

1400423555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50445.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1400423555 is about 37422.2334314776. The cubic root of 1400423555 is about 1118.8017464907.

Adding to 1400423555 its reverse (5553240041), we get a palindrome (6953663596).

The spelling of 1400423555 in words is "one billion, four hundred million, four hundred twenty-three thousand, five hundred fifty-five".