1400434123 has 8 divisors (see below), whose sum is σ = 1534141440. Its totient is φ = 1267792680.

The previous prime is 1400434081. The next prime is 1400434141. The reversal of 1400434123 is 3214340041.

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

It is not a de Polignac number, because 1400434123 - 2¹³ = 1400425931 is a prime.

It is a super-2 number, since 2×1400434123² = 3922431465725558258, 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 = 1400434094 and 1400434103.

It is not an unprimeable number, because it can be changed into a prime (1407434123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263715 + ... + 268972.

It is an arithmetic number, because the mean of its divisors is an integer number (191767680).

Almost surely, 2^1400434123 is an apocalyptic number.

1400434123 is a deficient number, since it is larger than the sum of its proper divisors (133707317).

1400434123 is a wasteful number, since it uses less digits than its factorization.

1400434123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532937.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1400434123 is about 37422.3746306939. The cubic root of 1400434123 is about 1118.8045607505.

Adding to 1400434123 its reverse (3214340041), we get a palindrome (4614774164).

The spelling of 1400434123 in words is "one billion, four hundred million, four hundred thirty-four thousand, one hundred twenty-three".