1400402343 has 16 divisors (see below), whose sum is σ = 1883369600. Its totient is φ = 925538400.

The previous prime is 1400402329. The next prime is 1400402359. The reversal of 1400402343 is 3432040041.

It is not a de Polignac number, because 1400402343 - 2⁴ = 1400402327 is a prime.

It is a super-2 number, since 2×1400402343² = 3922253444559779298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400402323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343668 + ... + 347718.

It is an arithmetic number, because the mean of its divisors is an integer number (117710600).

Almost surely, 2^1400402343 is an apocalyptic number.

1400402343 is a deficient number, since it is larger than the sum of its proper divisors (482967257).

1400402343 is a wasteful number, since it uses less digits than its factorization.

1400402343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1400402343 is about 37421.9500160000. The cubic root of 1400402343 is about 1118.7960976896.

Adding to 1400402343 its reverse (3432040041), we get a palindrome (4832442384).

The spelling of 1400402343 in words is "one billion, four hundred million, four hundred two thousand, three hundred forty-three".