1423121400340 has 48 divisors (see below), whose sum is σ = 3012336169920. Its totient is φ = 564721597440.

The previous prime is 1423121400329. The next prime is 1423121400353. The reversal of 1423121400340 is 430041213241.

It is a super-3 number, since 3×1423121400340³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8217079 + ... + 8388481.

It is an arithmetic number, because the mean of its divisors is an integer number (62757003540).

Almost surely, 2^{1423121400340} is an apocalyptic number.

1423121400340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423121400340 is an abundant number, since it is smaller than the sum of its proper divisors (1589214769580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423121400340 is a wasteful number, since it uses less digits than its factorization.

1423121400340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174712 (or 174710 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1423121400340 its reverse (430041213241), we get a palindrome (1853162613581).

The spelling of 1423121400340 in words is "one trillion, four hundred twenty-three billion, one hundred twenty-one million, four hundred thousand, three hundred forty".