1400553123 has 8 divisors (see below), whose sum is σ = 1927643136. Its totient is φ = 903582600.

The previous prime is 1400553113. The next prime is 1400553127. The reversal of 1400553123 is 3213550041.

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

It is not a de Polignac number, because 1400553123 - 2¹² = 1400549027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1400553093 and 1400553102.

It is not an unprimeable number, because it can be changed into a prime (1400553127) 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, 7529763 + ... + 7529948.

It is an arithmetic number, because the mean of its divisors is an integer number (240955392).

Almost surely, 2^1400553123 is an apocalyptic number.

1400553123 is a deficient number, since it is larger than the sum of its proper divisors (527090013).

1400553123 is a wasteful number, since it uses less digits than its factorization.

1400553123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15059745.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1400553123 is about 37423.9645548143. The cubic root of 1400553123 is about 1118.8362494890.

The spelling of 1400553123 in words is "one billion, four hundred million, five hundred fifty-three thousand, one hundred twenty-three".